Home / 37,975,129.66-52,405,839.51-20,571,474.88

Finding the Fourth Proportional to 37,975,129.66, 52,405,839.51 and 20,571,474.88

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Solution

The fourth proportional to 37,975,129.66, 52,405,839.51 and 20,571,474.88 is: 28,388,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,975,129.66 : 52,405,839.51 = 20,571,474.88 : x
  2. Step 2: Convert to fraction form
    37,975,129.66/52,405,839.51 = 20,571,474.88/x
  3. Step 3: Cross multiply
    37,975,129.66x = 52,405,839.51 × 20,571,474.88
  4. Step 4: Simplify right side
    37,975,129.66x = 1,078,065,410,738,857.88
  5. Step 5: Solve for x
    x = 1,078,065,410,738,857.88/37,975,129.66
  6. Step 6: Final answer
    x = 28,388,722.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.